Where do you go to learn how to make ice cream?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

If a wheel has 54 spokes, how many spaces are there between the spokes?

What does this rebus riddle means ?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

Before Mount Everest was discovered, what was the highest mountain in the world?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?